31540020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{547}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 91419552

約数和(自身を除く): 59879532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 547, 620, 930, 961, 1094, 1641, 1860, 1922, 2188, 2735, 2883, 3282, 3844, 4805, 5470, 5766, 6564, 8205, 9610, 10940, 11532, 14415, 16410, 16957, 19220, 28830, 32820, 33914, 50871, 57660, 67828, 84785, 101742, 169570, 203484, 254355, 339140, 508710, 525667, 1017420, 1051334, 1577001, 2102668, 2628335, 3154002, 5256670, 6308004, 7885005, 10513340, 15770010, 31540020]

約数ペア:

[(1, 31540020), (2, 15770010), (3, 10513340), (4, 7885005), (5, 6308004), (6, 5256670), (10, 3154002), (12, 2628335), (15, 2102668), (20, 1577001), (30, 1051334), (31, 1017420), (60, 525667), (62, 508710), (93, 339140), (124, 254355), (155, 203484), (186, 169570), (310, 101742), (372, 84785), (465, 67828), (547, 57660), (620, 50871), (930, 33914), (961, 32820), (1094, 28830), (1641, 19220), (1860, 16957), (1922, 16410), (2188, 14415), (2735, 11532), (2883, 10940), (3282, 9610), (3844, 8205), (4805, 6564), (5470, 5766)]